OpenVPN over TCP vs. UDP | what are they and what should

In the meanwhile we recommend Windows Server 2016 users to avoid installing OpenVPN/tap-windows6 driver on hosts where all users can't be trusted. Users of Windows 7-10 and Server 2012r2 are recommended to update to latest installers as soon as possible. ManagingWindowsTAPDrivers – OpenVPN Community Feb 10, 2017 Tutorial for OpenVPN TAP Bridge Mode - Antoine Aflalo

How to create OpenVPN TAP interface - bridge mode

OpenVPN - Wikipedia OpenVPN offers two types of interfaces for networking via the Universal TUN/TAP driver. It can create either a layer-3 based IP tunnel (TUN), or a layer-2 based Ethernet TAP that can carry any type of Ethernet traffic. OpenVPN can optionally use the LZO compression library to compress the data stream.

Go to Start – All Programs – Tap-Windows (Windows XP, Vista & 7) or press Windows + Q, and look for Delete ALL TAP virtual ethernet adapters (Windows 8, 8.1, & 10) 2) Re-install the OpenVPN application by following the instructions in the link below:

Tap is used by ethernet bridging in OpenVPN and introduces an unprecendented level of complexity that is simply not worth bothering with. Usually when a VPN needs to be installed, its needed now , and complex deployments don't come fast.